<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>

<body>
    <script>
        var name = "全局";

        function fun() {
            console.log(this.name);
        }

        var obj1 = {
            name: "孙悟空",
            sayName: fun
        }

        var obj2 = {
            name: "沙和尚",
            sayName: fun
        }

        // fun();
        obj1.sayName();
        obj2.sayName();
        fun();
    </script>
</body>

</html>